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  • About
    • Mission and Vision
    • Our Goals and How We Get There
    • Where We Work
      • Saving the Scalloped Hammerheads of Baja
      • California Marine Protection
      • Hawai’i Kahu Manō- Guardians of the Shark
        • Respect for Hawaii Fish- Aquarium Collection
        • ‘Auamakua, Hawaii’s Spiritual Connection to the Shark
      • Sharks in the Coral Triangle
        • Indonesia Protecting Sharks and Reefs
        • Creating a Marine Protected Area in Indonesia
    • Our Team
      • Media Kit, David McGuire, Shark Stewards
    • Partners & Donors
    • Victories & Milestones
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Signed into Law
      • Law to End Lethal California Driftnet Fishery Passes
      • Support the Papahānaumokuākea National Marine Sanctuary Designation
    • Shark Stewards DEI Statement
    • Statement Against Asian and API Hate
  • Our Work
    • Saving Sharks
    • California Marine Protected Area Network
    • Sustainable Ecotourism and Data Dives
    • Citizen Science
    • Media Production
  • Science & Education
    • Aquatic Park Stewardship
    • Community Science
    • Shark Watch California
      • Sharktober Sanctuary Wildlife Expeditions
        • Sharktober: Farallon Sanctuary and Wildlife Tours
        • Sharktober Sanctuary Tours- Instructions
      • Observe and Record Sevengill Sharks
      • Sharks of the San Francisco Bay
      • Shark ID and MPAs Education Adventure
    • Inland Ocean Academy
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
  • Campaigns
    • Stop the Ocean Steal
    • Act Now to Defend the Endangered Species Act
    • Save the Endangered Species Act
      • PETITION TO DEFEND THE ENDANGERED SPECIES ACT
    • SHARKED Act in Senate Committee- Act Now
    • Defend Pacific Marine National Monuments From Commercial Fishing
    • Support NOAA and our National Marine Sanctuaries
    • Urgent Action to Save Oceanic Whitetip Sharks
    • Stop Big Plastic From Polluting Oceans
  • Get Involved
    • Contact Us
    • Shark Buddies- Connect and Protect
    • Adventures
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
  • Shop
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COVID, Depression and Suicide-Dive to Stay Alive

David and Dive girls

To divers and swimmers, there are few things we are more conscious of than our breath. Following a year of isolation, sheltering in place, hunkered down, and hiding during the pandemic, I contracted COVID 19. My case was not severe, but I suffered more from fear of long-Covid, and the long-term effects on my lungs and breathing.

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Posted byDavid McGuireJuly 11, 2022January 24, 2023Tags: covid, SCUBA, sharks, travel

Stop Plastic Waste from eCommerce

Malaysia Kid with Plastic small

On behalf of Shark Stewards, I am writing in strong support of Assembly Bill 1371. Assemblymember Friedman’s legislation will help address the global plastics crisis by phasing out the unnecessary and unacceptable amount of single-use plastic used to ship online purchases in and into California.

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Posted byDavid McGuireMay 5, 2021September 8, 2025Tags: amazon, covid, ocean, plastic, pollution, shipping, waste

After Catching COVID, a Polar Bear Swims Again

Night Train

An open-water swimmer returns to the freezing sea, savoring the breath of life.

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Posted byDavid McGuireMarch 31, 2021June 28, 2025Tags: covid, dolphin club, Polar Bear, shark, Swimming

Squalene, Shark Products and Vaccines

Source Wikipedia

WHAT IS SQUALENE? Squalene (or squalane is when it is processed for products) is a natural oil that comes from shark liver. The molecule C30H50 is also found in many […]

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Posted byDavid McGuireDecember 22, 2020March 27, 2024Tags: covid, livering, shark fin, sharks, Sharkwater Extinction, squalene, vaccine

Sharktober: The White Sharks Return. Newsletter

sharktober

*|MC:SUBJECT|* *|MC_PREVIEW_TEXT|* View this email in your browser LATEST NEWS | CAMPAIGNS | GET INVOLVED  DONATE It’s Sharktober! It’s that time again when the white sharks are returning to our Sanctuary […]

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Posted byDavid McGuireSeptember 24, 2020September 24, 2020Tags: covid, expedition, Florida, Newsletter, sharks

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Products

  • science book Sharks for Kids: A Junior Scientist's Guide to Great Whites, Hammerheads, and Other Sharks $14.95
  • Swag Mens Hammerhead and Manta Ray T shirt $29.99
  • Swag Hammerhead and Manta T Women's $29.99
  • Tiger Shark Shark Stewards Shark Buddies $100.00

Act Now

  • Ban Wire Leaders to Save Endangered Pacific Sharks

    The 16th meeting of the WCPFC is taking place on 5-11 December in Port Moresby, Papua New Guinea, and we are urging member states in attendance to fight for sharks and …

  • Sharktober Adventures

    Experience and adventure in the Greater Farallones National Marine Sanctuary with Shark Steward’s expert naturalists. Visit the Devil’s Teeth, the home of the great white shark, and learn about the fascinating …

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  • About
    • Mission and Vision
    • Our Goals and How We Get There
    • Where We Work
      • Saving the Scalloped Hammerheads of Baja
      • California Marine Protection
      • Hawai’i Kahu Manō- Guardians of the Shark
        • Respect for Hawaii Fish- Aquarium Collection
        • ‘Auamakua, Hawaii’s Spiritual Connection to the Shark
      • Sharks in the Coral Triangle
        • Indonesia Protecting Sharks and Reefs
        • Creating a Marine Protected Area in Indonesia
    • Our Team
      • Media Kit, David McGuire, Shark Stewards
    • Partners & Donors
    • Victories & Milestones
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Signed into Law
      • Law to End Lethal California Driftnet Fishery Passes
      • Support the Papahānaumokuākea National Marine Sanctuary Designation
    • Shark Stewards DEI Statement
    • Statement Against Asian and API Hate
  • Our Work
    • Saving Sharks
    • California Marine Protected Area Network
    • Sustainable Ecotourism and Data Dives
    • Citizen Science
    • Media Production
  • Science & Education
    • Aquatic Park Stewardship
    • Community Science
    • Shark Watch California
      • Sharktober Sanctuary Wildlife Expeditions
        • Sharktober: Farallon Sanctuary and Wildlife Tours
        • Sharktober Sanctuary Tours- Instructions
      • Observe and Record Sevengill Sharks
      • Sharks of the San Francisco Bay
      • Shark ID and MPAs Education Adventure
    • Inland Ocean Academy
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
  • Campaigns
    • Stop the Ocean Steal
    • Act Now to Defend the Endangered Species Act
    • Save the Endangered Species Act
      • PETITION TO DEFEND THE ENDANGERED SPECIES ACT
    • SHARKED Act in Senate Committee- Act Now
    • Defend Pacific Marine National Monuments From Commercial Fishing
    • Support NOAA and our National Marine Sanctuaries
    • Urgent Action to Save Oceanic Whitetip Sharks
    • Stop Big Plastic From Polluting Oceans
  • Get Involved
    • Contact Us
    • Shark Buddies- Connect and Protect
    • Adventures
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
  • Shop

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2150 Allston Way, Suite 460
Berkeley, CA 94704

Shark Stewards is a project of The Earth Island Institute, an environmentalist think tank founded by David Brower in 1983 and a 501(c)(3) non-profit.

Our media partner is Scubazoo, who we thank for their generous support and donation of images.